Stocks gained marginally yesterday on the Athens Stock Exchange (ASE), in a session where medium- and small-capitalization stocks performed better than blue chips, and trading volume dropped considerably. The ASE general index closed at 2,655.95 points, a gain of 1.14 points or 0.04 percent. The FTSE/ASE-20 index of blue chips declined 0.24 percent to close at 1,456.19 points, while the mid-cap and small-cap indices gained 0.76 percent and 0.69 percent respectively. There were some blue chips that gained significantly. These included Emporiki Bank (2.09 percent to 23.40 euros), Intracom (2.02 percent to 4.04 euros), Hellenic Technodomiki (1.80 percent to 3.40 euros), Public Power Corporation (1.27 percent to 20.74 euros) and OTE (1.13 percent to 12.50 euros). By contrast, the following blue chips ended with losses: OPAP (1.63 percent to 19.28 euros), National Bank (1.29 percent to 22.94 euros), Alpha Bank (1.10 percent to 23.38 euros) and EFG Eurobank (0.36 percent to 21.84 euros). Of 357 stocks traded, 132 gained, 153 declined and 72 ended unchanged. Turnover declined to 152.28 million euros, including 25.6 million in prearranged trades.